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Stonewater Ranch

Washington — Non-Transient Non-Community — PWSID: WA5301824

System Information

PWSIDWA5301824
System NameStonewater Ranch
System TypeNon-Transient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedFeb 7, 1981
Last ReportedDec 11, 2025

Location & Contact

StateWashington
CityLeavenworth
ZIP Code98826
Address19537 Chiwawa Loop Rd
OrganizationStonewater Ranch
Phone—

Population & Service

Population Served154
Service Connections36

Drinking Water Violations (44)

This water system has 44 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Apr 1, 2022 Apr 30, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Apr 30, 2022 Revised Total Coliform Rule
Jan 1, 2020 Dec 31, 2020 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2020 Nitrate Rule
Apr 1, 2010 Jun 30, 2010 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Jun 30, 2010 Volatile Organic Chemicals
Apr 1, 2010 Jun 30, 2010 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Jun 30, 2010 Volatile Organic Chemicals
Apr 1, 2010 Jun 30, 2010 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Jun 30, 2010 Volatile Organic Chemicals
Apr 1, 2010 Jun 30, 2010 Benzene MR No Yes — 0.005 mg/L — Resolved Jun 30, 2010 Volatile Organic Chemicals
Apr 1, 2010 Jun 30, 2010 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Jun 30, 2010 Volatile Organic Chemicals
Apr 1, 2010 Jun 30, 2010 Styrene MR No Yes — 0.1 mg/L — Resolved Jun 30, 2010 Volatile Organic Chemicals
Apr 1, 2010 Jun 30, 2010 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Jun 30, 2010 Volatile Organic Chemicals
Apr 1, 2010 Jun 30, 2010 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Jun 30, 2010 Volatile Organic Chemicals
Apr 1, 2010 Jun 30, 2010 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Jun 30, 2010 Volatile Organic Chemicals
Apr 1, 2010 Jun 30, 2010 Toluene MR No Yes — 1 mg/L — Resolved Jun 30, 2010 Volatile Organic Chemicals
Apr 1, 2010 Jun 30, 2010 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Jun 30, 2010 Volatile Organic Chemicals
Apr 1, 2010 Jun 30, 2010 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Jun 30, 2010 Volatile Organic Chemicals
Apr 1, 2010 Jun 30, 2010 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Jun 30, 2010 Volatile Organic Chemicals
Apr 1, 2010 Jun 30, 2010 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Jun 30, 2010 Volatile Organic Chemicals
Apr 1, 2010 Jun 30, 2010 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Jun 30, 2010 Volatile Organic Chemicals
Apr 1, 2010 Jun 30, 2010 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Jun 30, 2010 Volatile Organic Chemicals
Apr 1, 2010 Jun 30, 2010 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Jun 30, 2010 Volatile Organic Chemicals
Apr 1, 2010 Jun 30, 2010 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Jun 30, 2010 Volatile Organic Chemicals
Apr 1, 2010 Jun 30, 2010 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Jun 30, 2010 Volatile Organic Chemicals
Apr 1, 2010 Jun 30, 2010 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Jun 30, 2010 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2008 Nitrate Rule
Jan 1, 2008 Dec 31, 2008 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2008 Nitrate Rule
Jan 1, 2008 Dec 31, 2008 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2008 Nitrate Rule
Jan 1, 2008 Dec 31, 2008 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2008 Nitrate Rule
Jan 1, 2008 Dec 31, 2008 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2008 Nitrate Rule
Jan 1, 2008 Dec 31, 2008 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2008 Nitrate Rule
Jan 1, 2008 Dec 31, 2008 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2008 Nitrate Rule
Oct 1, 2007 Dec 31, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Oct 1, 2007 Dec 31, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Oct 1, 2007 Dec 31, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Oct 1, 2007 Dec 31, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Oct 1, 2007 Dec 31, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Oct 1, 2007 Dec 31, 2007 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Archived Dec 31, 2007 Synthetic Organic Chemicals
Oct 1, 2007 Dec 31, 2007 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Archived Dec 31, 2007 Synthetic Organic Chemicals
Aug 1, 2007 Aug 31, 2007 Coliform (TCR) MR No No — 5% of samples — Archived Aug 31, 2007 Total Coliform Rule
Aug 1, 2007 Aug 31, 2007 Coliform (TCR) MR No No — 5% of samples — Archived Aug 31, 2007 Total Coliform Rule
Jul 1, 2007 Jul 31, 2007 Coliform (TCR) MR No No — 5% of samples — Archived Jul 31, 2007 Total Coliform Rule
Jul 1, 2007 Jul 31, 2007 Coliform (TCR) MR No No — 5% of samples — Archived Jul 31, 2007 Total Coliform Rule
Jul 1, 2007 Sep 30, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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